<?php

class UserAdminController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='admin';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			//'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view','admin','create','update','delete','changePassword'),
                'expression'=>'User::model()->isSuperAdmin();',
			),
            array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('changePassword'),
                'expression'=>'User::model()->isView() or User::model()->isUpdate() or User::model()->isDel() or User::model()->isAdmin() or User::model()->isCreate()',
			),
            
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new User;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['User']))
		{
		    $model->attributes=$_POST['User'];
            $model->birthday=strtotime($model->birthday);
            $model->password=md5($model->password);
            foreach ($model->permission as $perm) {
                if(isset($permission)){
                    $permission=$permission.';'.$perm;    
                }else{
                    $permission=$perm;
                }
            }
            $model->permission=$permission;
			if($model->save(true,array('email','password','firstname','lastname','gender','birthday','passport','address','city','mobile','status','permission'))){
				$this->redirect(array('view','id'=>$model->user_id)); 
			}
			
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['User']))
		{
			$model->attributes=$_POST['User'];
            $model->birthday=strtotime($model->birthday);
            foreach ($model->permission as $perm) {
                if(isset($permission)){
                    $permission=$permission.';'.$perm;    
                }else{
                    $permission=$perm;
                }
            }
            $model->permission=$permission;            
			if($model->save(true,array('firstname','lastname','gender','birthday','passport','address','city','mobile','status','permission'))){
			    $this->redirect(array('view','id'=>$model->user_id));
			}
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('User');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new User('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['User']))
			$model->attributes=$_GET['User'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}
    
    /**
     * Change password
    */
    public function actionchangePassword(){
        $model=$this->loadModel(User::model()->getId(Yii::app()->user->getId()));
        if(isset($_POST['User'])){
            $model->attributes=$_POST['User'];
            if($model->validate()){
                $old_pass=User::getPassword();
                $new_pass=md5($model->new_password);
                if($old_pass==md5($model->old_password)){
                    $model->password=md5($model->new_password);
                    if($model->save(true,'password')){
                        $this->redirect(array('userAdmin/changePassword','status'=>1));
                    }else{
                        $this->redirect(array('userAdmin/changePassword','status'=>0));
                    }
                }else{
                    $this->redirect(DOMAIN);
                }
            }
        }
        $this->render('changePassword',array('model'=>$model));
    }


	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return User the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=User::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param User $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='user-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
